zlib: wrap deflate side of the API

diff --git a/diff-lib.c b/diff-lib.c
index 8b8978ae6d1b4d947952b7fe9ec9cea013aaa8c3..3b5f2242a597ff1b44a3af6be72cb14e6e0d5455 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -68,11 +68,16 @@ static int match_stat_with_submodule(struct diff_options *diffopt,
                                      unsigned ce_option, unsigned *dirty_submodule)
 {
        int changed = ce_match_stat(ce, st, ce_option);
-       if (S_ISGITLINK(ce->ce_mode)
-           && !DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES)
-           && !DIFF_OPT_TST(diffopt, IGNORE_DIRTY_SUBMODULES)
-           && (!changed || DIFF_OPT_TST(diffopt, DIRTY_SUBMODULES))) {
-               *dirty_submodule = is_submodule_modified(ce->name, DIFF_OPT_TST(diffopt, IGNORE_UNTRACKED_IN_SUBMODULES));
+       if (S_ISGITLINK(ce->ce_mode)) {
+               unsigned orig_flags = diffopt->flags;
+               if (!DIFF_OPT_TST(diffopt, OVERRIDE_SUBMODULE_CONFIG))
+                       set_diffopt_flags_from_submodule_config(diffopt, ce->name);
+               if (DIFF_OPT_TST(diffopt, IGNORE_SUBMODULES))
+                       changed = 0;
+               else if (!DIFF_OPT_TST(diffopt, IGNORE_DIRTY_SUBMODULES)
+                   && (!changed || DIFF_OPT_TST(diffopt, DIRTY_SUBMODULES)))
+                       *dirty_submodule = is_submodule_modified(ce->name, DIFF_OPT_TST(diffopt, IGNORE_UNTRACKED_IN_SUBMODULES));
+               diffopt->flags = orig_flags;
        }
        return changed;
 }
@@ -98,14 +103,17 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                unsigned dirty_submodule = 0;
 
                if (DIFF_OPT_TST(&revs->diffopt, QUICK) &&
-                       DIFF_OPT_TST(&revs->diffopt, HAS_CHANGES))
+                   !revs->diffopt.filter &&
+                   DIFF_OPT_TST(&revs->diffopt, HAS_CHANGES))
                        break;
 
-               if (!ce_path_match(ce, revs->prune_data))
+               if (!ce_path_match(ce, &revs->prune_data))
                        continue;
 
                if (ce_stage(ce)) {
                        struct combine_diff_path *dpath;
+                       struct diff_filepair *pair;
+                       unsigned int wt_mode = 0;
                        int num_compare_stages = 0;
                        size_t path_len;
 
@@ -124,7 +132,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
 
                        changed = check_removed(ce, &st);
                        if (!changed)
-                               dpath->mode = ce_mode_from_stat(ce, st.st_mode);
+                               wt_mode = ce_mode_from_stat(ce, st.st_mode);
                        else {
                                if (changed < 0) {
                                        perror(ce->name);
@@ -132,7 +140,9 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                                }
                                if (silent_on_removed)
                                        continue;
+                               wt_mode = 0;
                        }
+                       dpath->mode = wt_mode;
 
                        while (i < entries) {
                                struct cache_entry *nce = active_cache[i];
@@ -178,7 +188,9 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                         * Show the diff for the 'ce' if we found the one
                         * from the desired stage.
                         */
-                       diff_unmerge(&revs->diffopt, ce->name, 0, null_sha1);
+                       pair = diff_unmerge(&revs->diffopt, ce->name);
+                       if (wt_mode)
+                               pair->two->mode = wt_mode;
                        if (ce_stage(ce) != diff_unmerged_stage)
                                continue;
                }
@@ -367,8 +379,9 @@ static void do_oneway_diff(struct unpack_trees_options *o,
        match_missing = !revs->ignore_merges;
 
        if (cached && idx && ce_stage(idx)) {
-               diff_unmerge(&revs->diffopt, idx->name, idx->ce_mode,
-                            idx->sha1);
+               struct diff_filepair *pair;
+               pair = diff_unmerge(&revs->diffopt, idx->name);
+               fill_filespec(pair->one, idx->sha1, idx->ce_mode);
                return;
        }
 
@@ -422,7 +435,7 @@ static int oneway_diff(struct cache_entry **src, struct unpack_trees_options *o)
        if (tree == o->df_conflict_entry)
                tree = NULL;
 
-       if (ce_path_match(idx ? idx : tree, revs->prune_data))
+       if (ce_path_match(idx ? idx : tree, &revs->prune_data))
                do_oneway_diff(o, idx, tree);
 
        return 0;
@@ -496,7 +509,7 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt)
        active_nr = dst - active_cache;
 
        init_revisions(&revs, NULL);
-       revs.prune_data = opt->paths;
+       init_pathspec(&revs.prune_data, opt->pathspec.raw);
        tree = parse_tree_indirect(tree_sha1);
        if (!tree)
                die("bad tree object %s", sha1_to_hex(tree_sha1));